CN212710616U - Sample storage device for natural gas exploration - Google Patents
Sample storage device for natural gas exploration Download PDFInfo
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- CN212710616U CN212710616U CN202020625171.4U CN202020625171U CN212710616U CN 212710616 U CN212710616 U CN 212710616U CN 202020625171 U CN202020625171 U CN 202020625171U CN 212710616 U CN212710616 U CN 212710616U
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- storage box
- gas cylinder
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- natural gas
- storage device
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Abstract
A sample storage device for natural gas exploration comprises a base, wherein a storage box is fixedly connected to the base, clamping mechanisms are symmetrically arranged between the storage box and a partition plate, a pressing mechanism is connected to a thread group, a door plate is mounted at the front end of the storage box, a driving mechanism is arranged in the driving box, and a baffle is fixedly connected to the other end of a fixing rod; the utility model has the advantages of reasonable design, the gyro wheel can be very big reduction the friction that the gas cylinder removed, time saving and labor saving, and can once place a plurality of gas cylinders, great practicality has, it is fixed to carry out the centre gripping to the gas cylinder side through fixture drive grip block, when rocking about the transportation produces, produce the impact force that frictional force can consume the gas cylinder and produce through spring compression and sliding sleeve, actuating mechanism drives the baffle antedisplacement, until the baffle contact supports the gas cylinder, fix spacingly to the gas cylinder fore-and-aft direction, hold-down mechanism drives the clamp plate and descends and pushes down the gas cylinder upside, can be spacing fixed carrying out of gas cylinder, all can prevent above that to rock in the gas cylinder transportation and produce danger.
Description
Technical Field
The utility model relates to a natural gas storage facilities technical field specifically is a sample storage device for natural gas exploration.
Background
Natural gas refers to all gases naturally existing in nature, including gases formed in various natural processes in an atmospheric space, a water space and a rock space, including oil field gas, gas field gas, coal bed gas, mud volcanic gas, biogenetic gas and the like, and a small amount of natural gas is also emitted from a coal bed and is high-quality fuel and chemical raw materials. The definition of "natural gas" which has been common for a long time is a narrow definition from the energy point of view, and refers to a mixture of hydrocarbon and non-hydrocarbon gases which are naturally trapped in the formation. In petrogeology, oil field gas and gas field gas are commonly referred to. The composition is mainly hydrocarbon and contains non-hydrocarbon gas. The natural gas is mainly used as fuel, can be used for producing carbon black, chemicals and liquefied petroleum gas, and the propane and butane produced by the natural gas are important raw materials of modern industry. After the sample after natural gas exploration is loaded into the gas cylinder, the sample needs to be stored and transported.
The existing storage device is not beneficial to placing and storing the natural gas cylinder because the natural gas needs to be transported and moved after exploration, the natural gas is flammable and explosive fuel, the gas cylinder is easy to shake in the moving process and collide to generate danger, and the existing device cannot necessarily fix and protect the gas cylinder; and present storage device is inconvenient to the gas cylinder loading and unloading in the use, need lift the gas cylinder and put into again, has increased intensity of labour, has reduced efficiency, and present device gas cylinder pushes away together moreover, and the collision takes place between the gas cylinder and arouses the accident easily, or present device single can only store single gas cylinder, and the practicality is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sample storage device for natural gas exploration to solve the problem that appears in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a sample storage device for natural gas exploration comprises a base, wherein a storage box is fixedly connected to the base, a plurality of groups of placing grooves are formed in the upper end of the storage box, a plurality of groups of fixing grooves are formed in the placing grooves, rollers are rotationally connected to the fixing grooves, a partition plate is fixedly connected to the upper end of the base, clamping mechanisms are symmetrically arranged between the storage box and the partition plate, rotating rods are rotationally connected to two side walls of the storage box, a plurality of groups of thread groups are arranged on the rotating rods, first threads on two sides of each thread group are opposite in rotating direction, a pressing mechanism is connected to each thread group, a first motor is fixedly connected to the outer wall of the right side of the storage box, the output end of the first motor is fixedly connected to the right end of each rotating rod, a door panel is mounted at the front end of the storage box, a driving box is fixedly connected, the front end of the rotating shaft is provided with a second thread and is connected with a movable plate in a threaded manner, a plurality of fixed rods are fixedly connected onto the movable plate, and a baffle is fixedly connected to the other ends of the fixed rods.
Preferably, a sample storage device for natural gas exploration, fixture includes two sets of fixed blocks, one side the fixed block rigid coupling is in the inner wall of bin, opposite side the fixed block rigid coupling is in the baffle lateral wall, every group the rigid coupling has the slide bar between the fixed block, slide bar bilateral symmetry sliding connection has the sliding sleeve, the rigid coupling has the spring between sliding sleeve and the fixed block, the slide bar surface is located to the spring housing, sliding sleeve one side articulates there is the connecting rod, the other end of connecting rod articulates there is the connecting piece, the other end rigid coupling of connecting piece has the grip block.
Preferably, the compressing mechanism comprises two moving blocks, the two moving blocks are symmetrically screwed on two sides of the thread group, a sliding block is fixedly connected to the upper end of each moving block, a sliding rail is slidably connected to the upper end of each sliding block, the upper end of each sliding rail is fixedly connected to the top of the storage box, a connecting rod is hinged to the lower end of each moving block, and a pressing plate is hinged to the lower end of each connecting rod.
Preferably, a sample storage device for natural gas exploration, actuating mechanism includes the second motor, the second motor rigid coupling is in the door plant front end and is located inside the drive case, second motor output rigid coupling has two first belt pulleys, pivot front side rigid coupling has the second belt pulley, two first belt pulley passes through the belt and is connected with both sides second belt pulley transmission respectively.
Preferably, the left side of the door plate is hinged to the front end of the left side of the storage box, and the right end of the door plate is connected to the right side of the storage box through a buckle.
Preferably, the outer surface of the roller is sleeved with a rubber sleeve, rubber pads are mounted on the inner sides of the clamping plate and the pressing plate, and a sponge is arranged on the rear wall of the storage box.
Preferably, the four corners of the bottom of the base are provided with universal wheels, and the left end of the storage box is fixedly connected with a pushing handle.
The utility model has the advantages that:
1. the utility model has the advantages of reasonable structural design, the gas cylinder is laterally placed on the placing groove, then the gas cylinder is pushed inwards, the gas cylinder can slide inwards along the roller on the placing groove, the roller can greatly reduce the friction of gas cylinder movement, time and labor are saved, and a plurality of gas cylinders can be placed at one time by arranging a plurality of groups of placing grooves, thereby having greater practicability;
2. the clamping plate is driven by the clamping mechanism to clamp and fix the side face of the gas cylinder, the gas cylinder can be limited and fixed in the left and right directions, when left and right shaking occurs during transportation, the gas cylinder can generate pressure on the clamping plate, the clamping plate drives the sliding sleeve to slide, meanwhile, the friction force generated by the spring compression and the sliding sleeve can consume the impact force generated by the gas cylinder, the gas cylinder is well protected, and the danger caused by left and right shaking in the process of transporting the gas cylinder again is prevented;
3. the second motor rotates to drive the movable plate to move forwards through the cooperation of the first belt pulley, the belt, the second belt pulley and the rotating shaft, so that the fixed rod and the baffle are driven to move forwards until the baffle is contacted and propped against the gas cylinder, the rear part of the gas cylinder is propped against the sponge, the gas cylinder is fixed and limited in the front-back direction, and the gas cylinder is prevented from shaking forwards and backwards to cause danger in the process of re-transportation;
4. the first motor rotates and drives the pressing plate to descend through the cooperation of the rotating rod and the moving block to press the upper side of the gas cylinder, the upper direction and the lower direction of the gas cylinder can be limited and fixed, and the gas cylinder is prevented from shaking up and down to cause danger in the transportation process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments are briefly introduced below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the inner portion of the storage box of the present invention;
FIG. 3 is a schematic view of the structure of the clamping mechanism of the present invention;
fig. 4 is a schematic structural diagram of the pressing mechanism of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-base, 2-storage box, 3-placement groove, 4-fixation groove, 5-roller, 6-clapboard, 7-clamping mechanism, 701-fixation block, 702-slide bar, 703-slide sleeve, 704-spring, 705-connecting bar, 706-connecting bar, 707-clamping plate, 8-rotating bar, 9-thread group, 10-hold-down mechanism, 1001-moving block, 1002-slide block, 1003-slide rail, 1004-connecting bar, 1005-pressing plate, 11-first motor, 12-door plate, 13-driving box, 14-driving mechanism, 1401-second motor, 1402-first belt pulley, 1403-second belt pulley, 1404-belt, 15-rotating shaft, 16-moving plate, 17-fixation bar, 18-baffle, 19-hasp, 20-sponge, 21-universal wheel, 22-pushing handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, the present embodiment is a sample storage device for natural gas exploration, including a base 1, a storage box 2 fixedly connected to the base 1, a plurality of storage slots 3 formed in an upper end of the storage box 2, a plurality of fixing slots 4 formed in the storage slots 3, rollers 5 rotatably connected to the fixing slots 4, a partition plate 6 fixedly connected to an upper end of the base 1, a clamping mechanism 7 symmetrically disposed between the storage box 2 and the partition plate 6, a rotating rod 8 rotatably connected to two side walls of the storage box 2, a plurality of thread sets 9 disposed on the rotating rod 8, first threads on two sides of each thread set 9 having opposite directions, a pressing mechanism 10 connected to the thread set 9, a first motor 11 fixedly connected to an outer wall of a right side of the storage box 2, an output end of the first motor 11 fixedly connected to a right end of the rotating rod 8, a door panel 12 mounted at a front end of the storage box 2, a driving box 13 fixedly, door plant 12 is last to rotate and is connected with two pivot 15, and 15 front ends of pivot are equipped with the second screw thread and the spiro union has movable plate 16, and the rigid coupling has a plurality of dead levers 17 on the movable plate 16, and the rigid coupling of the dead lever 17 other end has baffle 18, and door plant 12 left side articulates in bin 2 left side front end, and the right-hand member of door plant 12 passes through hasp 19 to be connected in bin 2 right side, opens or fixes door plant 12 and bin 2 through hasp 19. The rubber sleeve has been cup jointed to gyro wheel 5 surface, and the rubber pad is all installed to the inboard of grip block 707 and clamp plate 1105, and bin 2 back wall is equipped with sponge 20, and rubber sleeve, rubber pad and sponge 20 can cushion gas cylinder lower extreme pressure when contacting the gas cylinder fixedly, prevent to take place danger. Universal wheel 21 is all installed in the bottom four corners of base 1, and bin 2 left end rigid coupling has pushing hands 22, can drive the device through pushing hands 22 and universal wheel 21 and remove, and it is convenient to remove.
The clamping mechanism 7 comprises two groups of fixed blocks 701, one side of each fixed block 701 is fixedly connected to the inner wall of the storage box 2, the other side of each fixed block 701 is fixedly connected to the side wall of the partition board 6, a sliding rod 702 is fixedly connected between each group of fixed blocks 701, sliding sleeves 703 are symmetrically and slidably connected to two sides of the sliding rod 702, springs 704 are fixedly connected between the sliding sleeves 703 and the fixed blocks 701, the surfaces of the sliding rods 702 are sleeved with the springs 704, a connecting rod 705 is hinged to one side of each sliding sleeve 703, the other end of the connecting rod 705 is hinged to a connecting piece 706, a clamping plate 707 is fixedly connected to the other end of the connecting piece 706, the clamping plate 707 is loosened, the sliding sleeves 703 are driven.
The pressing mechanism 10 comprises two moving blocks 1001, the two moving blocks 1001 are symmetrically screwed on two sides of the thread group 9, the upper ends of the moving blocks 1001 are fixedly connected with sliding blocks 1002, the upper ends of the sliding blocks 1002 are slidably connected with sliding rails 1003, the upper ends of the sliding rails 1003 are fixedly connected to the top of the storage box 2, the lower ends of the moving blocks 1001 are hinged with connecting rods 1004, the lower ends of the connecting rods 1004 are hinged with pressing plates 1005, a first motor 11 rotates to drive a rotating rod 8 to rotate, the rotating rod 8 drives the two side moving blocks 1001 of the screw joint to move close to each other, the pressing plates 1005 are driven to descend through the connecting rods 1004, the upper side of a.
The driving mechanism 14 includes a second motor 1401, the second motor 1401 is fixedly connected to the front end of the door panel 12 and is located inside the driving box 13, two first belt pulleys 1402 are fixedly connected to the output end of the second motor 1401, a second belt pulley 1403 is fixedly connected to the front side of the rotating shaft 15, the two first belt pulleys 1402 are respectively in transmission connection with the second belt pulleys 1403 on the two sides through a belt 1404, the second motor 1401 rotates to drive the two first belt pulleys 1402 to rotate, the first belt pulley 1402 simultaneously drives the second belt pulleys 1403 on the two sides and the rotating shaft 15 to rotate through the belt 1404, the rotating shaft 15 drives the screwed movable plate 16 to move forward, so as to drive the fixed rod 17 and the baffle 18 to move forward until the baffle 18 contacts and the gas cylinder abuts against.
The utility model discloses a theory of operation does:
when using this device, at first after putting into the gas cylinder with the natural gas sample of prospecting, then open hasp 19 and open door plant 12, draw the grip block 707 of opening 3 both sides of standing groove, then put standing groove 3 with the gas cylinder side on, then with the gas cylinder towards inside promotion, the gas cylinder can be along the gyro wheel 5 on the standing groove 3 towards inside slip, the friction that the gas cylinder removed that has reduced that gyro wheel 5 can be very big, time saving and labor saving, and can once place a plurality of gas cylinders through setting up multiunit standing groove 3, great practicality has. After placing, the grip block 707 is loosened, it is close to the removal each other to drive sliding sleeve 703 through the resilience force of spring 704, thereby it is fixed to drive grip block 707 through connecting rod 705 and connecting piece 706 and stretch out to carry out the centre gripping to the gas cylinder side, can carry out spacing fixed to the left and right directions of gas cylinder, when the transportation produces and controls to rock, the gas cylinder can produce pressure to grip block 707, grip block 707 drives sliding sleeve 703 and slides along bin 2 or 6 lateral walls of baffle, compression spring 704 simultaneously, produce the impact force that frictional force can consume the gas cylinder and produce through spring 704 compression and sliding sleeve 703, play fine protection to the gas cylinder, it produces danger to prevent that the in-process of gas cylinder re-transportation from taking place to. Then close door plant 12 and fix door plant 12 and storage box 2 through hasp 19, then start second motor 1401 and rotate and drive two first belt pulleys 1402 and rotate, first belt pulley 1402 drives the second belt pulley 1403 and the pivot 15 rotation of both sides simultaneously through belt 1404, pivot 15 drives the moving plate 16 of spiro union and moves forward, thereby drive dead lever 17 and baffle 18 antedisplacement, until baffle 18 contact and support the gas cylinder, the gas cylinder rear portion supports sponge 20, fix spacingly to the gas cylinder fore-and-aft direction, it produces danger to prevent that the gas cylinder from rocking around taking place in the in-process of transportation. Then start first motor 11 and rotate and drive bull stick 8 and rotate, bull stick 8 drives the both sides movable block 1001 of spiro union and is close to the removal each other to drive clamp plate 1005 through connecting rod 1004 and descend, push down the gas cylinder upside until clamp plate 1005 descends, can carry out spacing fixed to the up-and-down direction of gas cylinder, prevent that the in-process of gas cylinder transportation from taking place to rock from top to bottom and producing danger again. After the gas cylinder is stored and fixed, the device can be driven to move through the push handle 22 and the universal wheel 21, and the movement is convenient.
The electrical components are externally connected with a power supply, and the control mode is common knowledge, so that the detailed description is omitted in the specification.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Claims (7)
1. A sample storage device for natural gas exploration, comprising a base (1), characterized in that: the fixing device is characterized in that a storage box (2) is fixedly connected to the base (1), a plurality of groups of placing grooves (3) are formed in the upper end of the storage box (2), a plurality of groups of fixing grooves (4) are formed in the placing grooves (3), rollers (5) are rotationally connected to the fixing grooves (4), a partition plate (6) is fixedly connected to the upper end of the base (1), clamping mechanisms (7) are symmetrically arranged between the storage box (2) and the partition plate (6), two side walls of the storage box (2) are rotationally connected with rotating rods (8), a plurality of groups of thread groups (9) are arranged on the rotating rods (8), first thread directions on two sides of each thread group (9) are opposite, a pressing mechanism (10) is connected to each thread group (9), a first motor (11) is fixedly connected to the outer wall on the right side of the storage box (2), and an output end of the first motor (, door plant (12) are installed to bin (2) front end, door plant (12) front end rigid coupling has drive case (13), inside actuating mechanism (14) of being equipped with of drive case (13), it is connected with two pivot (15) to rotate on door plant (12), pivot (15) front end is equipped with the second screw thread and spiro union has movable plate (16), the rigid coupling has a plurality of dead lever (17) on movable plate (16), dead lever (17) other end rigid coupling has baffle (18).
2. A sample storage device for natural gas exploration, according to claim 1, wherein: fixture (7) include two sets of fixed blocks (701), one side fixed block (701) rigid coupling is in the inner wall of bin (2), the opposite side fixed block (701) rigid coupling in baffle (6) lateral wall, every group the rigid coupling has slide bar (702) between fixed block (701), slide bar (702) bilateral symmetry sliding connection has sliding sleeve (703), the rigid coupling has spring (704) between sliding sleeve (703) and fixed block (701), slide bar (702) surface is located to spring (704) cover, sliding sleeve (703) one side articulates there is connecting rod (705), the other end of connecting rod (705) articulates there is connecting piece (706), the other end rigid coupling of connecting piece (706) has grip block (707).
3. A sample storage device for natural gas exploration, according to claim 2, wherein: the pressing mechanism (10) comprises two moving blocks (1001), the two moving blocks (1001) are symmetrically screwed on two sides of the thread group (9), a sliding block (1002) is fixedly connected to the upper end of each moving block (1001), a sliding rail (1003) is slidably connected to the upper end of each sliding block (1002), the upper end of each sliding rail (1003) is fixedly connected to the top of the storage box (2), a connecting rod (1004) is hinged to the lower end of each moving block (1001), and a pressing plate (1005) is hinged to the lower end of each connecting rod (1004).
4. A sample storage device for natural gas exploration, according to claim 1, wherein: the driving mechanism (14) comprises a second motor (1401), the second motor (1401) is fixedly connected to the front end of the door panel (12) and located inside the driving box (13), two first belt pulleys (1402) are fixedly connected to the output end of the second motor (1401), a second belt pulley (1403) is fixedly connected to the front side of the rotating shaft (15), and the two first belt pulleys (1402) are in transmission connection with the second belt pulleys (1403) on the two sides through belts (1404).
5. A sample storage device for natural gas exploration, according to claim 1, wherein: the left side of the door panel (12) is hinged to the front end of the left side of the storage box (2), and the right end of the door panel (12) is connected to the right side of the storage box (2) through a buckle (19).
6. A sample storage device for natural gas exploration, according to claim 3, wherein: the outer surface of the roller (5) is sleeved with a rubber sleeve, rubber pads are installed on the inner sides of the clamping plate (707) and the pressing plate (1005), and sponge (20) is arranged on the rear wall of the storage box (2).
7. A sample storage device for natural gas exploration, according to claim 1, wherein: universal wheels (21) are installed at four corners of the bottom of the base (1), and a pushing handle (22) is fixedly connected to the left end of the storage box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020625171.4U CN212710616U (en) | 2020-04-23 | 2020-04-23 | Sample storage device for natural gas exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020625171.4U CN212710616U (en) | 2020-04-23 | 2020-04-23 | Sample storage device for natural gas exploration |
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| Publication Number | Publication Date |
|---|---|
| CN212710616U true CN212710616U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020625171.4U Expired - Fee Related CN212710616U (en) | 2020-04-23 | 2020-04-23 | Sample storage device for natural gas exploration |
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| Country | Link |
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| CN (1) | CN212710616U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113291602A (en) * | 2021-06-22 | 2021-08-24 | 蔡林 | Movable hydrogen energy source explosion-proof device |
| CN113324174A (en) * | 2021-06-30 | 2021-08-31 | 兴化市永盛电力器材有限公司 | Sulfur hexafluoride gas cylinder bracket |
| CN113401479A (en) * | 2021-06-11 | 2021-09-17 | 河北伟煜环保科技有限公司 | Water sample storage device for environmental monitoring field sampling |
| CN113864642A (en) * | 2021-10-29 | 2021-12-31 | 郑州轻工业大学 | Novel tube bundle type container easy to assemble, disassemble and maintain |
| CN114506549A (en) * | 2022-02-17 | 2022-05-17 | 徐江焱 | Dedicated sample storage device of environmental monitoring |
| CN114771396A (en) * | 2022-05-09 | 2022-07-22 | 安徽银汉机电科技有限公司 | Safety device for electric appliance and circuit element |
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2020
- 2020-04-23 CN CN202020625171.4U patent/CN212710616U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401479A (en) * | 2021-06-11 | 2021-09-17 | 河北伟煜环保科技有限公司 | Water sample storage device for environmental monitoring field sampling |
| CN113401479B (en) * | 2021-06-11 | 2022-07-05 | 河北伟煜环保科技有限公司 | Water sample storage device for environmental monitoring field sampling |
| CN113291602A (en) * | 2021-06-22 | 2021-08-24 | 蔡林 | Movable hydrogen energy source explosion-proof device |
| CN113291602B (en) * | 2021-06-22 | 2022-07-22 | 江西新节氢能源科技有限公司 | Mobile hydrogen energy explosion-proof device |
| CN113324174A (en) * | 2021-06-30 | 2021-08-31 | 兴化市永盛电力器材有限公司 | Sulfur hexafluoride gas cylinder bracket |
| CN113324174B (en) * | 2021-06-30 | 2021-12-28 | 兴化市永盛电力器材有限公司 | Sulfur hexafluoride gas cylinder bracket |
| CN113864642A (en) * | 2021-10-29 | 2021-12-31 | 郑州轻工业大学 | Novel tube bundle type container easy to assemble, disassemble and maintain |
| CN113864642B (en) * | 2021-10-29 | 2023-03-14 | 郑州轻工业大学 | Novel tube bundle type container easy to assemble, disassemble and maintain |
| CN114506549A (en) * | 2022-02-17 | 2022-05-17 | 徐江焱 | Dedicated sample storage device of environmental monitoring |
| CN114506549B (en) * | 2022-02-17 | 2024-05-17 | 江西应用华测检测有限公司 | Dedicated sample storage device of environmental monitoring |
| CN114771396A (en) * | 2022-05-09 | 2022-07-22 | 安徽银汉机电科技有限公司 | Safety device for electric appliance and circuit element |
| CN114771396B (en) * | 2022-05-09 | 2023-06-09 | 安徽银汉机电科技有限公司 | Safety device for electric appliance and circuit element |
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Granted publication date: 20210316 |